Google have added some very clever magic to Builder Maker that allows you to grab a Street View image, align it with your building and then use the image as the texture for the building. Check out the video below to see it in action:

Six new cities have also been added to Building Maker:

Edinburgh, United KingdomFlorence, ItalyVienna, AustriaPittsburgh, PA, United StatesSanta Cruz, CA, United StatesRiverside, CA, United States

The cities in Builder Maker all have Google's oblique aerial imagery. It is therefore a pretty good guide to which cities will have aerial views soon added to Google Maps and the Google Maps API.

Here's a little something I put together to compare Bing Maps Birds Eye view with aerial view in Google Maps: